The Analytical Engine is considered the first concept of a general-purpose computer. It featured arithmetic logic units, control flow through conditional branching, and memory.
Charles Babbage was an English mathematician, inventor, and mechanical engineer who is best known for conceptualizing the first mechanical computer, which laid the foundation for modern computing.
Difference Engine: Designed to perform mathematical calculations and was one of
the earliest mechanical computing devices.
Analytical Engine: The Analytical Engine introduced the idea of
programmability in computing, which was far ahead of its time.